Opteron 6328 's Advantages
Lower TDP (115W vs 200W)
Intel Xeon w5 2455X 's Advantages
Released 10 years and 3 months late
Higher specification of memory (4800 vs 1866)
Newer PCIe version (5 vs 2)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (10nm vs 32nm)